Compounds and compositions for eliciting or enhancing immune reactivity to HER-2/neu protein are disclosed. The compounds include antigen-presenting cells, such as dendritic cells, which may be used for the prevention or treatment of malignancies in which the HER-2/neu oncogene is associated.

The present invention is directed to methods for detecting and treating hematological and virus-associated malignancies using Her2/neu sequences. The Her2/neu sequences may be polypeptides or polynucleotides.

Compositions and methods for the therapy and diagnosis of cancer, particularly Her-2/neu-associated cancers, are disclosed. Illustrative compositions comprise one or more Her-2/neu polypeptides, immunogenic portions thereof, polynucleotides that encode such polypeptides, antigen presenting cell that ...

Compositions and methods for the therapy and diagnosis of cancer, such as ovarian cancer, are disclosed. Compositions may comprise HPP14, an immunogenic portion or variant thereof or a polynucleotide that encodes such a polypeptide. Alternatively, a therapeutic composition may comprise an antigen pr ...